Across
- 4. a process where 2 liquids and 2 gasses mix
- 9. easy to break or shatter
- 11. shiny
- 14. building blocks of matter
- 15. describes a form of matter that can mix
- 16. a change to gas to solid
- 19. grid-like structures
- 20. an alloy of copper and tin
- 21. substances formed from chemical reactions
Down
- 1. decrease in size
- 2. describes a form of matter that cannot mix
- 3. the first chemical explosive made in Ancient China
- 5. going to solid to gas
- 6. any combinations of elements/compounds
- 7. a form of sugar produced in photosynthesis
- 8. a substance made of long chains of smaller units
- 10. increase in size
- 12. the substances used in chemical reactions
- 13. a substance that cna chemically dissolve
- 17. minerals rich in metals
- 18. mixture of a metal with fellow metals or non-metals